AO开发：鹰眼图功能，虫眼功能，ArcMap中调用现有的功能，在屏幕上画线，ArcMap中添加要素，利用对话框添加lyr数据-AO Development: Eagle Eye diagram function, eye function insects, ArcMap to call the existing functions of painting lines on the screen, ArcMap to add elements, use the dialog box to add Lyr data